Note for PSP Go users: Ensure you download the specific "PSP Go" version of the firmware, as it differs from the standard models. 4. Run the Update

Congratulations! You have successfully installed the final official firmware.

When you search for on Google or Bing, danger lurks . Many download aggregator sites are filled with:

To install these, after your 6.61 update, you download the PRO or LME launcher, place it in the PSP/GAME/ folder, and run it once. It is a non-permanent "softmod" that reactivates on every boot (or permanent via Infinity 2.0).